Dashboard exception in CruiseControl v 2.8.4

WARN BuildLoopStatusReportTask - Failed to reach dashboard instance : http://localhost:9004/dashboard/buildloop/listener, either the dashboard has not started up or there is a network problem.
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
at org.apache.commons.httpclient.HttpParser.readRawLine(HttpParser.java:77)